WhatsApp Aero is a modified version of the popular messaging app WhatsApp. It is developed by a third-party developer and is not an official app. WhatsApp Aero offers users additional features and customization options that are not available in the original WhatsApp app. Some of the features of WhatsApp Aero include: 1. Customization options for the user interface, including themes, colors, and fonts. 2. Privacy settings that allow users to hide their online status, read receipts, and other information from other users. 3. Advanced media sharing options, such as the ability to send larger files and share high-quality images and videos. 4. Additional emoticons, stickers, and emojis. 5. Built-in app lock and anti-ban features. It is important to note that the use of modified versions of WhatsApp is not supported by the official WhatsApp developers, and using such apps may violate the terms and conditions of WhatsApp. Additionally, there may be security risks associated with using modified versions of the app, so users should exercise caution when choosing to use WhatsApp Aero or any other modified version of the app.